unisonic technologies co., ltd ua8229 linear integrated circuit www.unisonic.com.tw 1 of 9 copyright ? 2007 unisonic technologies co., ltd qw-r107-033.c low frequency power amplifier ? description the utc ua8229 is a low frequency power amplifier and developed for portable radio cassette tape recorder with power on/off switch. the audio power ic has built-in two channels and thermal shut down protection circuit. ? features * high power : p out (1) = 2.5w (typ.) (v cc = 9v, r l = 4 ? , f = 1khz, thd = 10%) : p out (2) = 4.6w (typ.) (v cc = 12v, r l = 4 ? , f = 1khz, thd = 10%) * low popping noise at power on * small quiescent current : i q = 21ma (typ.) (v cc = 15v, v in = 0) * soft clip * thermal shut down protection * best for supply voltage 9v, 12v * operation supply voltage range from 6v to 15v hsip-14b hzip-15a *pb-free plating product number: ua8229l ? ordering information ordering number normal lead free plating package packing ua8229-h14-b-t ua8229l-h14-b-t hsip-14b tube ua8229-j15-a-t UA8229L-J15-A-T hzip-15a tube
ua8229 linear integrated circuit unisonic technologies co., ltd 2 of 9 www.unisonic.com.tw qw-r107-033.c ? pin configurations 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 nc 14 13 12 11 10 9 8 7 6 5 4 3 2 1 pre-gnd 2 pre-gnd 1 nf 2 in 2 in 1 nf1 ripple v cc 2 power-gnd b.s. 1 out 1 v cc 1 out2 b.s. 2 hzip-15a hsip-14b pre-gnd 2 pre-gnd 1 nf 2 in 2 in 1 nf1 ripple v cc 2 power-gnd b.s. 1 out 1 v cc 1 out2 b.s. 2
ua8229 linear integrated circuit unisonic technologies co., ltd 3 of 9 www.unisonic.com.tw qw-r107-033.c ? block diagrams for hsip-14b package for hzip-15a package
ua8229 linear integrated circuit unisonic technologies co., ltd 4 of 9 www.unisonic.com.tw qw-r107-033.c ? absolute maximum ratings (ta = 25 ) parameter symbol ratings unit supply voltage v cc 20 v peak output current i o(peak) 2.5 a power dissipation derated above ta = 25 p d 15 120 w mw / operating temperature t opr -20 ~ +85 storage temperature t stg -40 ~ +150 note 1. absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device operati on is not implied. 2. the device is guaranteed to meet performance specification within 0 ~ +70 operating temperature range and assured by design from -20 ~ +85 . ? electrical characteristics (ta=25 , v cc =9v, r l =4 ? , r g =600 ? , f=1khz, r f =120 ? , unless otherwise specified.) parameter symbol test conditions min typ max unit input offset voltage v 11 , v 12 30 60 mv stand-by current i stn-by sw1 off 1 a quiescent current i d v in = 0 25 45 ma p out(1) thd = 10%, v cc =9v 2.0 2.5 output power p out(2) thd = 10%, v cc = 12v 4.6 w total harmonic distortion thd p out = 0.4w/ch 0.2 1.0 % g v (1) r f = 120 ? , v out = 0.775vrms (0dbm) 43 45 47 voltage gain g v (2) r f = 0, v out = 0.775vrms (0dbm) 56.5 db input resistance r in 30 k ? output noise voltage v no r g = 10k ? , bw = 20hz ~ 20khz 0.3 1.0 mvrms ripple rejection ratio rr r g = 600 ? , f ripple = 100khz -52 db cross talk c.t. r g = 600 ? , amp1 2 v out = 0.775vrms (0dbm) -50 db
ua8229 linear integrated circuit unisonic technologies co., ltd 5 of 9 www.unisonic.com.tw qw-r107-033.c ? test circuits for hsip-14b package + - 13 14 6 3 7 sw1 v cc2 b.s.1 c11 (**) 100 f in1 nf1 45 30k out1 + - + - 1000 f c10 v cc1 100 f c4 c8 c6 ch-1 + - + - 1000 f 0.15 f 9 4 + - c1 120 in-1 r f1 47 f ripple + - c3 47 f (*) c in in2 nf2 45 + - c2 47 f 120 pre-gnd1. 8 + - (*) c in 10 + - in-2 + - 11 bias circuit and tsd ch-2 out2 30k pre-gnd2. 1 c9 + - 1000 f 0.15 f c7 r l r l out-1 out-2 5 100 f c5 + - b.s.2 2 power-gnd 12 (*) this ic can be used without coupling capacitor (c in ). if volume slide noise occurred by input offset volt age is undesirable, it needs to use the capacitor (c in ). (**) the condenser between the pin 8 and the gnd (c11) is for reducing pop noise when the power on/off switch (sw1) is set to on/off.
ua8229 linear integrated circuit unisonic technologies co., ltd 6 of 9 www.unisonic.com.tw qw-r107-033.c ? test circuits(cont.) for hzip-15a package + - 14 15 7 4 8 sw1 v cc2 b.s.1 c11 (**) 100 f in1 nf1 45 30k out1 + - + - 1000 f c10 v cc1 100 f c4 c8 c6 ch-1 + - + - 1000 f 0.15 f 10 5 + - c1 120 in-1 r f1 47 f ripple + - c3 47 f (*) c in in2 nf2 45 + - c2 47 f 120 pre-gnd1. 9 + - (*) c in 11 + - in-2 + - 12 bias circuit and tsd ch-2 out2 30k pre-gnd2. 2 c9 + - 1000 f 0.15 f c7 r l r l out-1 out-2 6 100 f c5 + - b.s.2 3 power-gnd 13 (*) this ic can be used without coupling capacitor (c in ). if volume slide noise occurred by input offset volt age is undesirable, it needs to use the capacitor (c in ). (**) the condenser between the pin 9 and the gnd (c11) is for reducing pop noise when the power on/off switch (sw1) is set to on/off.
ua8229 linear integrated circuit unisonic technologies co., ltd 7 of 9 www.unisonic.com.tw qw-r107-033.c ? application information 1. adjustment of voltage gain the voltage gain g v is obtained by r1, r2 and r f as below. by increasing r f , reduction of g v is possible. 40db or over in use is recommended. r f + r1 + r2 g v = 20 log r f + r1 sine oscillation is probable as a result of feedback in crease. 2. input stage the input circuit of this ic is as shown as below. pnp tr: tr1 is provided in the input circuit so as to ma ke its usage possible without the input coupling capacitor. however, at pin 10 and pin 11 max 60 mv offset voltage is produced. fig.2 illustrate the input circuit of ut c ua8229. a offset voltage of 60mv max is possible. tr1 is featured to eliminate the usage of coupling capacitor. 2/4 input 30k 30k output to driver 45 to bias nf r f + - 47 f tr3 tr2 tr1 gnd c in + - 10/11 13/14 9/12 2/4 input 30k 30k output to driver 45 to bias nf r f fig. 2 + - 47 f tr3 tr2 tr1 gnd c in + - 10/11 13/14 9/12 for hsip-14b package for hsip-15a package
ua8229 linear integrated circuit unisonic technologies co., ltd 8 of 9 www.unisonic.com.tw qw-r107-033.c ? application information(cont.) 3. input voltage when the excessive signal is input, turning-up is produced in the clip waveform. 4. oscillation preventive measure s mylar capacitor in use is strongly recommended to fulfil l well handled of oscillation temperature and high frequency. 5. power on/off switch there is power on/off switch at pin 7(hzip-15a?s pin 8) . however, output power is changed by pin 7(hzip-15a?s pin8) supply voltage when pin 7(hzip-15a?s pin 8) supply vo ltage is not same pin 3(hzip- 15a?s pin 4) supply voltage, after referring to attached date, select pin 7 (hzip-15a?s pin 8)supply voltage. 6. thermal shut-down protection the thermal shut-down circuit is built-in to dodge ic damage that result from the abno rmal temperature rise during operating.
ua8229 linear integrated circuit unisonic technologies co., ltd 9 of 9 www.unisonic.com.tw qw-r107-033.c ? typical characteristics quiescent current, i q (ma) output voltage, v 3 , v 5 (v) volage gain, g v (db) 0 4 8 12 2 0 supply voltage, v cc2 (v) 6 10 quiescent current vs. supply voltage 6 8 12 v cc1 = 12v v in = 0 ta = 25 v 2 , v 10 14 2 4 i q 10 utc assumes no responsibility for equipment failures that result from using pr oducts at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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